Obtain default browser name on macOS

Author: MatteoPologruto

certificates/certs.h

@@ -2,3 +2,4 @@ const char *installCert(const char *path);
 const char *uninstallCert();
 const char *evaluateCert();
 const char *getExpirationDate(char *expirationDate);
+const char *getDefaultBrowserName();

certificates/certs.m

@@ -165,3 +165,15 @@
 
     return "";
 }
+
+const char *getDefaultBrowserName() {
+    NSURL *defaultBrowserURL = [[NSWorkspace sharedWorkspace] URLForApplicationToOpenURL:[NSURL URLWithString:@"http://"]];
+    if (defaultBrowserURL) {
+        NSBundle *defaultBrowserBundle = [NSBundle bundleWithURL:defaultBrowserURL];
+        NSString *defaultBrowser = [defaultBrowserBundle objectForInfoDictionaryKey:@"CFBundleDisplayName"];
+        
+        return [defaultBrowser cStringUsingEncoding:[NSString defaultCStringEncoding]];
+    }
+
+    return "";
+}

certificates/install_darwin.go

@@ -95,3 +95,10 @@ func GetExpirationDate() (string, error) {
 	date := C.GoString(dateString)
 	return date, nil
 }
+
+// GetDefaultBrowserName returns the name of the default browser
+func GetDefaultBrowserName() string {
+	log.Infof("Retrieving default browser name")
+	p := C.getDefaultBrowserName()
+	return C.GoString(p)
+}

certificates/install_default.go

@@ -48,3 +48,9 @@ func GetExpirationDate() (string, error) {
 	log.Warn("platform not supported for retrieving certificates expiration date")
 	return "", errors.New("platform not supported for retrieving certificates expiration date")
 }
+
+// GetDefaultBrowserName won't do anything on unsupported Operative Systems
+func GetDefaultBrowserName() string {
+	log.Warn("platform not supported for retrieving default browser name")
+	return ""
+}